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相关论文: Near-Field Signal Processing: Unleashing the Power…

200 篇论文

In applications such as social, energy, transportation, sensor, and neuronal networks, high-dimensional data naturally reside on the vertices of weighted graphs. The emerging field of signal processing on graphs merges algebraic and…

离散数学 · 计算机科学 2015-06-12 David I Shuman , Sunil K. Narang , Pascal Frossard , Antonio Ortega , Pierre Vandergheynst

Wireless power transfer (WPT) is an emerging paradigm that will enable using wireless to its full potential in future networks, not only to convey information but also to deliver energy. Such networks will enable trillions of future…

信息论 · 计算机科学 2021-01-14 Bruno Clerckx , Kaibin Huang , Lav R. Varshney , Sennur Ulukus , Mohamed-Slim Alouini

Near-field (NF) multi-antenna wireless communication and sensing have attracted growing research interest in recent years. A core question in this area is how to determine whether a wireless system is operating in the NF or far-field (FF)…

信号处理 · 电气工程与系统科学 2026-05-05 Alexander Stutz-Tirri , Ahmad Dkhan , Hadi Sarieddeen , Christoph Studer

The field of Wireless Sensor Networks (WSNs) is experiencing a resurgence of interest and a continuous evolution in the scientific and industrial community. The use of this particular type of ad hoc network is becoming increasingly…

网络与互联网体系结构 · 计算机科学 2015-05-14 Ado Adamou Abba Ari , Abdelhak Gueroui , Nabila Labraoui , Blaise Omer Yenke

Currently there is great interest in the utility of deep neural networks (DNNs) for the physical layer of radio frequency (RF) communications. In this manuscript, we describe a custom DNN specially designed to solve problems in the RF…

信号处理 · 电气工程与系统科学 2021-09-23 Brian Shevitski , Yijing Watkins , Nicole Man , Michael Girard

The upcoming 6G technology is expected to operate in near-field (NF) radiating conditions thanks to high-frequency and electrically large antenna arrays. Although several studies have already addressed this possibility, it is worth noting…

信号处理 · 电气工程与系统科学 2024-10-28 Ahmed Elzanaty , Jiuyu Liu , Anna Guerra , Francesco Guidi , Yi Ma , Rahim Tafazolli

The use of high-frequency bands, combined with antenna arrays containing an extremely large number of elements (XL-MIMO), is pushing current technology to its limits in terms of hardware complexity, latency, and power consumption. A…

信号处理 · 电气工程与系统科学 2025-12-05 Mattia Fabiani , Giulia Torcolacci , Davide Dardari

Future wireless connectivity is envisioned to accommodate functionalities far beyond broadband data transmission over point-to-point direct links, enabling novel scenarios, such as communication behind blockers and around corners, and…

信号处理 · 电气工程与系统科学 2024-10-11 Sotiris Droulias , Giorgos Stratidakis , Angeliki Alexiou

Given the recent surge in developments of deep learning, this article provides a review of the state-of-the-art deep learning techniques for audio signal processing. Speech, music, and environmental sound processing are considered…

声音 · 计算机科学 2019-05-28 Hendrik Purwins , Bo Li , Tuomas Virtanen , Jan Schlüter , Shuo-yiin Chang , Tara Sainath

The "near-field" propagation modeling of wireless channels is necessary to support sixth-generation (6G) technologies, such as intelligent reflecting surface (IRS), that are enabled by large aperture antennas and higher frequency carriers.…

信息论 · 计算机科学 2024-03-12 Navneet Agrawal , Ehsan Tohidi , Renato L. G. Cavalcante , Sławomir Stańczak

This article focuses on the near-field effect in terahertz (THz) communications and sensing systems. By equipping with extremely large-scale antenna arrays (ELAAs), the near-field region in THz systems can be possibly extended to hundreds…

信息论 · 计算机科学 2023-06-19 Zhaolin Wang , Xidong Mu , Yuanwei Liu

The exploration of extremely large antenna arrays (ELAAs) using high-frequency spectrum has led to a paradigm shift in electromagnetic radiation field, transitioning from the common use case of far-field propagation to near-field…

信息论 · 计算机科学 2024-04-30 Zhenyao He , Wei Xu , Zhaohui Yang , Hong Shen , Ningning Fu , Yongming Huang , Zhaoyang Zhang , Xiaohu You

The spherical nature of the wavefronts exhibited in the near-field of antenna arrays enables advanced beamforming capabilities, such as beampointing and beamnulling. In this paper, we exploit these properties to design a near-field beam…

信号处理 · 电气工程与系统科学 2026-02-16 Laurence Defraigne , Gilles Monnoyer , Jérôme Louveaux , Luc Vandendorpe

Spot beamfocusing (SBF) is the process of focusing the signal power in a small spot-like region in the 3D space, which can be either hard-tuned (HT) using traditional tools like lenses and mirrors or electronically reconfigured (ER) using…

信息论 · 计算机科学 2024-08-20 Mehdi Monemi , Mohammad Amir Fallah , Mehdi Rasti , Matti Latva-Aho , Merouane Debbah

Positioning has recently received considerable attention as a key enabler in emerging applications such as extended reality, unmanned aerial vehicles and smart environments. These applications require both data communication and…

信号处理 · 电气工程与系统科学 2024-03-19 Yang Yang , Mingzhe Chen , Yufei Blankenship , Jemin Lee , Zabih Ghassemlooy , Julian Cheng , Shiwen Mao

Extremely large-scale multiple-input multiple-output (XL-MIMO) is regarded as a promising technology for next-generation communication systems. However, this will expand the near-field (NF) range, rendering more users more likely to be…

信号处理 · 电气工程与系统科学 2025-07-01 Zihang Ding , Jianhua Zhang , Changsheng You , Pan Tang , Hongbo Xing , Zhiqiang Yuan , Jie Meng , Guangyi Liu

In this letter, a fast Fourier transform (FFT)-enhanced low-complexity super-resolution sensing algorithm for near-field source localization with both angle and range estimation is proposed. Most traditional near-field source localization…

信号处理 · 电气工程与系统科学 2024-11-26 Yuxiao Wu , Huizhi Wang , Yong Zeng

As automotive radars continue to proliferate, there is a continuous need for improved performance and several critical problems that need to be solved. All of this is driving research across industry and academia. This paper is an overview…

信号处理 · 电气工程与系统科学 2025-01-15 Sandeep Rao , Rajan Narasimha , Shunqiao Sun

The trend in media consumption towards streaming and portability offers new challenges and opportunities for signal processing in audio and acoustics. The most significant embodiment of this trend is that most music consumption now happens…

声音 · 计算机科学 2014-05-20 Joshua Atkins , Daniele Giacobello

Rapid developments in synthetic aperture (SA) systems, which generate a larger aperture with greater angular resolution than is inherently possible from the physical dimensions of a single sensor alone, are leading to novel research avenues…